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Finding the Fourth Proportional to 139,655.52, 192,728.70 and 75,997.44

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Solution

The fourth proportional to 139,655.52, 192,728.70 and 75,997.44 is: 104,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,655.52 : 192,728.70 = 75,997.44 : x
  2. Step 2: Convert to fraction form
    139,655.52/192,728.70 = 75,997.44/x
  3. Step 3: Cross multiply
    139,655.52x = 192,728.70 × 75,997.44
  4. Step 4: Simplify right side
    139,655.52x = 14,646,887,814.53
  5. Step 5: Solve for x
    x = 14,646,887,814.53/139,655.52
  6. Step 6: Final answer
    x = 104,878.69

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